attr.c: use strchrnul() to scan for one line

Signed-off-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/attr.c b/attr.c
index 1fcf042..04d2433 100644 (file)
--- a/attr.c
+++ b/attr.c
@@ -402,8 +402,8 @@ static struct attr_stack *read_attr_from_index(const char *path, int macro_ok)
        for (sp = buf; *sp; ) {
                char *ep;
                int more;
-               for (ep = sp; *ep && *ep != '\n'; ep++)
-                       ;
+
+               ep = strchrnul(sp, '\n');
                more = (*ep == '\n');
                *ep = '\0';
                handle_attr_line(res, sp, path, ++lineno, macro_ok);